21.3 testing ends.

[Dmitriy.Pisarets]

<p>Hello!</p>
<p>MR3 is officially  signed and testing of this version is completed. Thank you so much for your participation!  </p>
<p>MR4 beta should start in April, so <span>we will be waiting for you!</span></p>

[Wesly.Zhang]

<p><span>congratulations!</span></p>

[harlan4096]

<p>Great! Congrats! <img src="/plugins/nodebb-plugin-composer-kl/vendor/tinymce/plugins/emoticons/img/smiley-laughing.gif" alt="laughing" /></p>

[huang1111]

<p>MR4 has been created.<img src="https://pan.huang1111.cn/api/v3/file/source/1976/5.gif?sign=eKz3l1HIRGK_WS8bCvN-j__EcjQMwhXAYgcc2VYRCp0%3D%3A0" alt="" width="50" height="50" /></p>

[harlan4096]

<p>Great!</p>